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Natural Hazards

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Every year in the United States, natural hazards threaten lives and livelihoods and result in billions of dollars in damage. We work with many partners to monitor, assess, and conduct targeted research on a wide range of natural hazards so that policymakers and the public have the understanding they need to enhance preparedness, response, and resilience.

Reducing Risk

Reducing Risk

USGS scientists develop new products to make science available to the public, emergency managers, and decision-makers. These efforts increase public safety and reduce risk and economic losses caused by natural hazards.

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Hazard Research

Hazard Research

USGS scientists conduct research to understand earth processes and the natural hazards they can pose to society in order to increase public safety and reduce risk and economic loss.

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News

Date published: July 18, 2018

Time-lapse view of California Highway 1 reconstruction after 2017 landslide

USGS scientists produced an animated GIF in coordination with the California Department of Transportation (Caltrans) re-opening of State Highway 1 through Big Sur on July 18, 2018.

Date published: July 9, 2018

Southern California coastal cliffs could retreat 135 feet in 80 years as erosion rates potentially double

USGS scientists combined a series of computer models to forecast cliff erosion along the Southern California coast.

Date published: July 9, 2018

Sea Level Rise Could Double Erosion Rates of Southern California Coastal Cliffs

Coastal cliffs from Santa Barbara to San Diego might crumble at more than twice the historical rate by the year 2100 as sea levels rise.

Costs and consequences of natural hazards can be enormous; each year more people and infrastructure are at risk. We develop and apply hazards science to help protect U.S. safety, security, and economic well being. These scientific observations, analyses, and research are crucial for the Nation to become more resilient to natural hazards.

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Filter Total Items: 170
Date published: July 18, 2018
Status: Active

Magnetic Data Quality

USGS Geomagnetism Program research staff evaluate data produced by magnetic observatories, including those operated by the USGS, data processing methods, and magnetic indices derived from observatory data.

Contacts: Jeffrey J Love
Date published: July 18, 2018
Status: Active

Geomagnetically Induced Currents

Geomagnetically-induced currents (GICs) flowing along electric power-transmission systems and other electrically-conducting infrastructure are produced by a naturally induced geo-electric field during geomagnetic disturbances.

Date published: July 18, 2018
Status: Active

Science for Everyone

Science briefs about new landslides research written for non-scientists.

Contacts: Lisa A Wald
Date published: July 18, 2018
Status: Active

Geomagnetism and Earthquake Prediction

Reliable earthquake prediction is a worthwhile goal that, if ever attained, would reduce the loss of life and property.

Contacts: Jeffrey J Love
Date published: July 17, 2018
Status: Active

Other Sources of Data

Looking for more data?

Contacts: Carol A Finn
Date published: July 17, 2018
Status: Active

Declination of the Earth 1590-1990

Models created of the declination of the Earth through time.

Date published: July 17, 2018

Models

View and download model results from magnetic studies.

Date published: July 16, 2018
Status: Active

Flood Hazards

Information about active and recent events tracked by the USGS National Floods Specialist.

Attribution: Natural Hazards
Date published: July 2, 2018
Status: Active

Overview

Landslide hazard and risk assessments help people understand the dangers from landslides to their towns and cities, homes, facilities, and businesses.  Landslide hazard assessments are estimates of the probability that landslides will affect a particular area or location, typically within a given timeframe.  

Date published: July 2, 2018
Status: Active

Overview

Although they are relatively uncommon, large catastrophic landslides move rapidly destroying everything in their paths.  Such landslides are difficult to predict as shown by the following examples.

Date published: July 2, 2018
Status: Active

Overview

The most frequent and widespread damaging landslides in the U.S. are induced (started) by prolonged or heavy rainfall.  The majority of rainfall-induced landslides are shallow (less than a few meters deep), small, and move rapidly.  Many rainfall-induced landslides transform into debris flows (fast-moving slurries of water, soil, and rock) as they travel down steep slopes, especially those...

Date published: June 28, 2018

Preliminary Analysis of Satellite Imagery and Seismic Observations of the Nuugaatsiaq Landslide and Tsunami, Greenland

Disclaimer

This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely science to assess ongoing hazards. The information has not received final approval by the U.S. Geological Survey (USGS) and is provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages...

Filter Total Items: 99
Date published: July 17, 2018

Models

View and download model results from magnetic studies.

Date published: July 3, 2018

Post-Fire Debris Flows

Estimates of the probability and volume of debris flows that may be produced by a storm in a recently burned area, using a model with characteristics related to basin shape, burn severity, soil properties, and rainfall.

Date published: June 19, 2018

Aerial imagery and photogrammetric products from unmanned aerial systems (UAS) flights over the Lake Ontario shoreline at Sodus Bay, New York, July 12 to 14, 2017

 This data release includes images tagged with locations determined from the UAS GPS; tables with updated estimates of camera positions and attitudes based on the photogrammetric reconstruction; tables listing locations of the base stations, ground control points, and transect points; geolocated, RGB-colored point clouds; orthomosaic images; and digital elevation models for each of the regions...

Date published: June 15, 2018

Our Coast Our Future

Our Coast, Our Future (OCOF) is a collaborative, user-driven project focused on providing California coastal resource managers and planners locally relevant, online maps and tools to help understand, visualize, and anticipate vulnerabilities to sea level rise and storms.

Date published: June 14, 2018

Sea-Floor Sediment Samples, Seabed Imagery, and CTD Instrument Data Collected on Stellwagen Bank in August 2017, U.S. Geological Survey Field Activity 2017-043-FA

The data collected in this study will aid research on the ecology of fish and invertebrate species that inhabit the region. On August 22 and 23, 2017, the U.S. Geological Survey, in collaboration with the Stellwagen Bank National Marine Sanctuary, conducted a research cruise aboard the Sanctuary’s Research Vessel Auk, visiting 39 locations within the sanctuary. 

Date published: May 8, 2018

Seismic reflection and sample data collected offshore of Fire Island, New York in 2014, U.S. Geological Field Activity 2014-009-FA

The U.S. Geological Survey (USGS) conducted a geophysical and sampling survey in October 2014 that focused on a series of shoreface-attached ridges offshore of western Fire Island, NY. Seismic-reflection data, surficial grab samples and bottom photographs and video were collected along the lower shoreface and inner continental shelf to assess the impact of Hurricane Sandy on the coastal region...

Date published: April 12, 2018

HayWired aftershock (M> 5) ShakeMaps

The maps in this archive display estimated intensities and ground motions for the earthquake scenarios - events on faults that have ruptured in the past or have a likelihood of rupturing in the future. These maps are typically used for emergency response exercises and planning as well as for understanding the potential consequences of future large earthquakes.

Attribution: Natural Hazards
Date published: April 12, 2018

The HayWired Scenario: An Urban Earthquake in a Connected World - A Geonarrative

What might it be like the next time the Hayward Fault has a large earthquake? A geonarrative and related imagery examines a hypothetical earthquake, the magnitude 7.0 HayWired earthquake scenario.”

Attribution: Natural Hazards
Date published: April 12, 2018

What to Expect in a Big Urban Earthquake - A Geonarrative

How do we get ready for big earthquakes in populated areas? An important first step is to learn what a big earthquake could be like. These pages summarize the main patterns — the earthquake effects that show up again and again. Here, urban is shorthand for “cities, towns, and suburbs”.

Date published: April 9, 2018

Marsh shorelines of the Massachusetts coast from 2013-14 topographic lidar data

The Massachusetts Office of Coastal Zone Management (CZM) launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the Massachusetts coast. This update included a marsh shoreline, which was defined to be the tonal difference between low- and high-marsh seen in ortho-photos. Further cooperation between CZM and the U.S. Geological Survey (USGS) has resulted in another...

Date published: April 6, 2018

Collection, analysis, and age-dating of sediment cores from salt marshes on the south shore of Cape Cod, Massachusetts, from 2013 through 2014

Elevation of the marsh surface was measured with RTK-GPS to evaluate where the marsh falls within the current tidal frame. The historic marsh surface elevation was then reconstructed using the calculated age of each depth interval and its elevation, assuming that elevations within this shallow zone (less than 30 cm) have been preserved for the past century.

 

Date published: April 4, 2018

U.S. Geological Survey Oceanographic Time-Series Data Collection

Oceanographic time-series measurements made by the U.S. Geological Survey between 1975 and the present as part of research programs. The data were collected to address specific research questions and were primarily collected over durations less than a year, using stationary platforms, with sensors near the sea floor. These data have been used to study of ocean dynamics and to validate ocean...

Filter Total Items: 23
Date published: July 3, 2018

Map and Description of the Active Part of the Slumgullion Landslide, Hinsdale County, Colorado

By Robert W. Fleming and Rex L. Baum, U.S. Geological Survey, and Marco Giardino, Consiglio Nazionale Delle Ricerche, Italy

Date published: July 3, 2018

Debris-Flow and Flooding Deposits in Coastal Venezuela Associated with the Storm of December 14–16, 1999

By Gerald F. Wieczorek, Matthew C. Larsen, L. Scott Eaton, Benjamin A. Morgan, and J. Luke Blair

Heavy rainfall from the storm of December 14–16, 1999, triggered thousands of shallow landslides on steep slopes of the Sierra de Avila north of Caracas, Venezuela, and caused flooding and massive debris flows in the channels of major drainages that severely damaged coastal communities.

Date published: July 3, 2018

Maps showing locations of damaging landslides caused by El Niño rainstorms, winter season 1997-98, San Francisco Bay region, California

Jonathan W. Godt, Editor.

Pamphlet to accompany Miscellaneous Field Studies Maps MF-2325-A-J

Date published: July 3, 2018

Map showing recent (1997-98 El Niño) and historical landslides, Crow Creek and vicinity, Alameda and Contra Costa Counties, California

By Jeffrey A. Coe,1 Jonathan W. Godt,1 and Pierre Tachker2

1 U.S. Geological Survey, Denver Federal Center, MS 966, Denver, CO 80225
2 Institut Des Sciences Et Techniques De Grenoble, Département Géotechnique, Grenoble, France
Date published: June 28, 2018

SIM 2859

Map showing recent (1997-98 El Niño) and historical landslides, Crow Creek and vicinity, Alameda and Contra Costa Counties, California

Date published: April 16, 2018

Earthquake outlook for the San Francisco Bay region 2014–2043

Using information from recent earthquakes, improved mapping of active faults, and a new model for estimating earthquake probabilities, the 2014 Working Group on California Earthquake Probabilities updated the 30-year earthquake forecast for California. They concluded that there is a 72 percent probability (or likelihood) of at least one earthquake of magnitude 6.7 or greater striking somewhere in

Attribution: Natural Hazards
Date published: April 11, 2018

Digital database of recently active traces of the Hayward Fault, California

This map shows the location of and evidence for recent movement on active fault traces within the Hayward Fault Zone, California.

Attribution: Natural Hazards
Date published: April 11, 2018

HayWired aftershock (M> 5) ShakeMaps

The maps in this archive display estimated intensities and ground motions for the largest earthquakes in the HayWired aftershock sequence. The aftershock sequence follows the HayWired M7.0 mainshock that is imagined to occur on April 18, 2018 along the Hayward Fault.These maps have been used in analyses of the HayWired scenario.

Attribution: Natural Hazards
Date published: April 11, 2018

Ground motion and regional information of the M 7.0 mainshock

The HayWired scenario depicts a hypothetical M7.0 earthquake on California’s Hayward Fault. This site includes an interactive map showing fault traces and ShakeMap contours, information on the tectonic setting of the Hayward Fault and fault rupture history; and a USGS ShakeMap, which provides ground motion information for the HayWired scenario mainshock.

Attribution: Natural Hazards
Date published: March 23, 2018

The HayWired Scenario: An Urban Earthquake in a Connected World - A Geonarrative

What might it be like the next time the Hayward Fault has a large earthquake? A geonarrative and related imagery examines a hypothetical earthquake, the magnitude 7.0 HayWired earthquake scenario.

Date published: October 16, 2017

Regional Conductivity Maps

Location of 1D Earth Resistivity Models with respect to Physiographic Regions of the USA

Filter Total Items: 1,759
Year Published: 2018

A novel technique for precision geometric correction of jitter distortion for the Europa Imaging System and other rolling shutter cameras

We use simulated images to demonstrate a novel technique for mitigating geometric distortions caused by platform motion (“jitter”) as two-dimensional image sensors are exposed and read out line by line (“rolling shutter”). The results indicate that the Europa Imaging System (EIS) on NASA’s Europa Clipper can likely meet its scientific goals...

Kirk, Randolph L.; Shepherd, Makayla; Sides, Stuart
International Archives of Photogrammetry, Remote Sensing, and Spatial Information Sciences, XLII-3, 735–739.

Year Published: 2018

The thermophysical properties of the Bagnold Dunes, Mars: Ground truthing orbital data

We compare the thermophysical properties and particle sizes derived from the Mars Science Laboratory rover's Ground Temperature Sensor of the Bagnold dunes, specifically Namib dune, to those derived orbitally from Thermal Emission Imaging System, ultimately linking these measurements to ground truth particle sizes determined from Mars Hand Lens...

Edwards, Christopher S.; Piqueux, Sylvain; Hamilton, Victoria E.; Fergason, Robin L.; Herkenhoff, Kenneth E.; Vasavada, Ashwin R.; Bennett, Kristen A.; Sacks, Leah; Lewis, Kevin; Smith, Michael D.

Year Published: 2018

Measuring impact crater depth throughout the solar system

One important, almost ubiquitous, tool for understanding the surfaces of solid bodies throughout the solar system is the study of impact craters. While measuring a distribution of crater diameters and locations is an important tool for a wide variety of studies, so too is measuring a crater's “depth.” Depth can inform numerous studies including...

Robbins, Stuart J.; Watters, Wesley A.; Chappelow, John E.; Bray, Veronica J.; Daubar, Ingrid J.; Craddock, Robert A.; Beyer, Ross A.; Landis, Margaret E.; Ostrach, Lillian; Tornabene, Livio L.; Riggs, Jamie D.; Weaver, Brian P.
Robbins, S.J. et al., 2018. Measuring impact crater depth throughout the solar system. Meteoritics and Planetary Science, 53(4), 583-626.

Year Published: 2018

Ancient Martian aeolian processes and palaeomorphology reconstructed from the Stimson formation on the lower slope of Aeolis Mons, Gale crater, Mars

Reconstruction of the palaeoenvironmental context of Martian sedimentary rocks is central to studies of ancient Martian habitability and regional palaeoclimate history. This paper reports the analysis of a distinct aeolian deposit preserved in Gale crater, Mars, and evaluates its palaeomorphology, the processes responsible for its deposition, and...

Banham, Steve G.; Gupta, Sanjeev; Rubin, David M.; Watkins, Jessica A.; Sumner, Dawn Y.; Edgett, Kenneth S.; Grotzinger, John P.; Lewis, Kevin W.; Edgar, Lauren; Stack, Kathryn M.; Barnes, Robert; Bell, Jame F. III; Day, Mackenzie D.; Ewing, Ryan C.; Lapotre, Mathieu G.A.; Stein, Nathan T.; Rivera-Hernandez, Frances; Vasavada, Ashwin R.
Banham, S. G., Gupta, S., Rubin, D. M., Watkins, J. A., Sumner, D. Y., Edgett, K. S., Grotzinger, J. P., Lewis, K. W., Edgar, L. A., Stack-Morgan, K. M., Barnes, R., Bell, J. F., Day, M. D., Ewing, R. C., Lapotre, M. G.A., Stein, N. T., Rivera-Hernandez, F. and Vasavada, A. R. (2018), Ancient Martian aeolian processes and palaeomorphology reconstructed from the Stimson formation on the lower slope of Aeolis Mons, Gale crater, Mars. Sedimentology. https://doi.org/10.1111/sed.12469

Year Published: 2018

Relaxed impact craters on Ganymede: Regional variation and high heat flows

Viscously relaxed craters provide a window into the thermal history of Ganymede, a satellite with copious geologic signs of past high heat flows. Here we present measurements of relaxed craters in four regions for which suitable imaging exists: near Anshar Sulcus, Tiamat Sulcus, northern Marius Regio, and Ganymede's south pole. We describe a...

Singer, Kelsi N.; Bland, Michael T.; Schenk, Paul M.; McKinnon, William B.
Sing, K. N., Bland, M. T., Schenk, P. M., McKinnon, W. B., 2018. Relaxed impact craters on Ganymede: Regional variation and high heat flows. Icarus 306, 214-224.

Year Published: 2018

Geologic map of the Nepenthes Planum Region, Mars

This map product contains a map sheet at 1:1,506,000 scale that shows the geology of the Nepenthes Planum region of Mars, which is located between the cratered highlands that dominate the southern hemisphere and the less-cratered sedimentary plains that dominate the northern hemisphere.  The map region contains cone- and mound-shaped...

Skinner, James A.; Tanaka, Kenneth L.
Skinner, J.A., Jr., and Tanaka, K.L., 2018, Geologic map of the Nepenthes Planum Region, Mars: U.S. Geological Survey Scientific Investigations Map 3389, pamphlet 11 p., scale 1:1,506,000, https://doi.org/10.3133/sim3389.

Year Published: 2018

Exposed subsurface ice sheets in the Martian mid-latitudes

Thick deposits cover broad regions of the Martian mid-latitudes with a smooth mantle; erosion in these regions creates scarps that expose the internal structure of the mantle.We investigated eight of these locations and found that they expose deposits of water ice that can be >100 meters thick, extending downward from depths as shallow as 1 to...

Dundas, Colin M.; Bramson, Ali M; Ojha, Lujendra; Wray, James J.; Mellon, Michael T.; Byrne, Shane; McEwen, Alfred S.; Putzig, N. E.; Viola, Donna; Sutton, Sarah; Clark, E.; Holt, J.W.
Dundas, C. M., et al. (2018). Exposed subsurface ice sheets in the Martian mid-latitudes. Science, 359, 199-201, doi:10.1126/science.aao1619.

Year Published: 2018

Image simulation and assessment of the colour and spatial capabilities of the Colour and Stereo Surface Imaging System (CaSSIS) on the ExoMars Trace Gas Orbiter

This study aims to assess the spatial and visible/near-infrared (VNIR) colour/spectral capabilities of the 4-band Colour and Stereo Surface Imaging System (CaSSIS) aboard the ExoMars 2016 Trace Grace Orbiter (TGO). The instrument response functions for the CaSSIS imager was used to resample spectral libraries, modelled spectra and to construct...

Tornabene, Livio L.; Seelos, Frank P.; Pommerol, Antoine; Thomas, Nicolas; Caudill, Christy M.; Becerra, Patricio; Bridges, John C.; Byrne, Shane; Cardinale, Marco; Chojnacki, Matthew; Conway, Susan J.; Cremonese, Gabriele; Dundas, Colin M.; El-Maarry, M. R.; Fernando, Jennifer; Hansen, Candice J.; Hansen, Kayle; Harrison, Tanya N.; Henson, Rachel; Marinangeli, Lucia; McEwen, Alfred S.; Pajola, Maurizio; Sutton, Sarah S.; Wray, James J.
Tornabene, L. L., et al., 2018. Image Simulation and Assessment of the Colour and Spatial Capabilities of the Colour and Stereo Surface Imaging System (CaSSIS) on the ExoMars Trace Gas Orbiter. Space Science Reviews, 214, doi:10.1007/s11214-017-0436-7.

Year Published: 2018

Morphological indicators of a mascon beneath Ceres' largest crater, Kerwan

Gravity data of Ceres returned by the National Aeronautics and Space Administration's Dawn spacecraft is consistent with a lower density crust of variable thickness overlying a higher density mantle. Crustal thickness variations can affect the long‐term, postimpact modification of impact craters on Ceres. Here we show that the unusual morphology...

Bland, Michael T.; Ermakov, Anton; Raymond, Carol A.; Williams, David A.; Bowling, Tim J.; Preusker, F.; Park, Ryan S.; Marchi, Simone; Castillo-Rogez, Julie C.; Fu, R.R.; Russell, Christopher T.
Bland, M. T., Ermakov, A. I., Raymond, C. A., Williams, D. A., Bowling, T. J., Preusker, F., … Russell, C. T. (2018). Morphological indicators of a mascon beneath Ceres’s largest crater, Kerwan. Geophysical Research Letters, 45, 1297–1304. https://doi.org/10.1002/2017GL075526

Year Published: 2018

Planetary dune workshop expands to include subaqueous processes

Dune-like structures appear in the depths of Earth’s oceans, across its landscapes, and in the extremities of the solar system beyond. Dunes rise up under the thick dense atmosphere of Venus, and they have been found under the almost unimaginably ephemeral atmosphere of a comet.

Titus, Timothy N.; Bryant, Gerald; Rubin, David M.
Titus, T., D. M. Rubin, and G. Bryant (2018), Planetary dune workshop expands to include subaqueous processes, Eos, 99, https://doi.org/10.1029/2018EO092783. Published on 15 February 2018.

Year Published: 2018

Chirp subbottom profile data collected in 2015 from the northern Chandeleur Islands, Louisiana

As part of the Barrier Island Evolution Research project, scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center conducted a nearshore geophysical survey around the northern Chandeleur Islands, Louisiana, in September 2015. The objective of the project is to improve the understanding of barrier island...

Forde, Arnell S.; DeWitt, Nancy T.; Fredericks, Jake J.; Miselis, Jennifer L.
Forde, A.S., DeWitt, N.T., Fredericks, J.J., and Miselis, J.L., 2018, Chirp subbottom profile data collected in 2015 from the northern Chandeleur Islands, Louisiana: U.S. Geological Survey Data Series 1077, https://doi.org/10.3133/ds1077.

Year Published: 2018

Quaternary sediment thickness and bedrock topography of the glaciated United States east of the Rocky Mountains

Beginning roughly 2.6 million years ago, global climate entered a cooling phase known as the Pleistocene Epoch. As snow in northern latitudes compacted into ice several kilometers thick, it flowed as glaciers southward across the North American continent. These glaciers extended across the northern United States, dramatically altering the...

Soller, David R.; Garrity, Christopher P.
Soller, D.R., and Garrity, C.P., 2018, Quaternary sediment thickness and bedrock topography of the glaciated United States east of the Rocky Mountains: U.S. Geological Survey Scientific Investigations Map 3392, 2 sheets, scale 1:5,000,000. https://doi.org/10.3133/sim3392.

Filter Total Items: 7
Date published: June 25, 2018

iPlover

iPlover was developed by the U.S. Geological Survey Woods Hole Coastal and Marine Science Center and the USGS Center for Integrated Data Analytics.  It is used by trained and vetted personnel to record information about habitats on coastal beaches and he environment surrounding them. 

Date published: June 18, 2018

JanbuGS, BishopGS, and FelleniusGS

Fortran-77 programs for limit-equilibrium slope-stability analysis.

Date published: February 28, 2018

THRESH

Software for tracking rainfall thresholds for landslide and debris-flow occurrence, user manual.

Date published: April 10, 2015

Scoops3D

Scoops3D is software to analyze three-dimensional slope stability throughout a digital landscape.

Date published: November 12, 2014

SLAMMER

SLAMMER is a Java program that facilitates performing a variety of sliding-block analyses to evaluate seismic slope performance.

Date published: October 20, 2009

TRIGRS

A Fortran Program for Transient Rainfall Infiltration and Grid-Based Regional Slope-Stability Analysis, Version 2.0.

Date published: June 18, 2001

PTCOUNT

A Fortran-77 Computer Program to Calculate the Areal Distribution of Mapped Data Points Using Count-Circle Methodology.

Filter Total Items: 2,249
Animation is looking at an angle at a coastal cliff region with a newly cut road running across it, showing how it has changed.
July 18, 2018

Mud Creek landslide changes March 2017-June 2018

Time-lapse view of California Highway 1 reconstruction after 2017 landslide

USGS scientists produced an animated GIF in coordination with the California Department of Transportation (Caltrans) re-opening of State Highway 1 through Big Sur on July 18, 2018. In 2017, the massive Mud Creek landslide buried a quarter-mile of the famous coastal route

...
Aerial of lava channel
July 10, 2018

Kīlauea Volcano — Landscape Differences

During HVO's morning overflight today, the dramatic difference in landscapes on the northern and southern sides of the fissure 8 lava channel was readily apparent. With dominant trade winds blowing heat and volcanic gases to the southwest, the north side of the lava channel remains verdant, while, in stark contrast, vegetation on the south side has been severely impacted

...
Night time view of Halekamahina
July 10, 2018

Kīlauea Volcano — Looking Uprift Past Halekamahina

View from Bryson's quarry around 11:45 p.m. HST last night looking uprift past Halekamahina (an older ash cone) to 

...
View of fissure 8
July 10, 2018

Kīlauea Volcano — Fissure 8 and Lava Channel

Fissure 8 and a full lava channel as seen during HVO's early morning overflight. The visible road is Nohea Street in the Leilani Estates subdivision. Steam generated from heated rain water rose from the 

...
Aerial view of Kapoho Crater
July 10, 2018

Kīlauea Volcano — Aerial View of Kapoho Crater

Aerial view of Kapoho Crater looking toward the south-southeast. Part of the lava channelbecame blocked just upstream of Kapoho Crater yesterday, diverting flows to the west and then south around the crater (center right). Lava exiting a crusted section of the channel continued flowing in the channel pathway (lower center to left).

July 10, 2018

Kīlauea Volcano — Lava Oozing

Lava oozes from a small breakout near Bryson's 

...
Laze plume from ocean entry
July 9, 2018

Kīlauea Volcano — Warm Ponds Ocean Entry

Southern end of the active fissure 8 flow margin north of the Analannui Park, known as the warm ponds. The flow margin is estimated to be about 500 m (0.3 mi) from the park.

Lava entering the ocean through steam
July 9, 2018

Kīlauea Volcano — Lava Entering Ocean

Lava entering the ocean as seen through steam and rain early this morning.

Lava running past a residential area
July 9, 2018

Kīlauea Volcano — Fissure 8 and Leilani Estates

Fissure 8 and Leilani Estates viewed from the south. Houses in the foreground are located in the southern portion of Leilani Estates. Fissure 8 and surrounding 

...
Crusted over lava flow
July 9, 2018

Kīlauea Volcano — Lower Section of Fissure 8 Flow

The lower section of the fissure 8 lava channel appears to be almost completely crusted over, and the lava level in the channel was lower during this morning's

...
Rain over a lava flow area
July 9, 2018

Kīlauea Volcano — Rain at Leilani Estates

This photograph taken during this morning's overflight shows heavy, localized rain at 

...
Filter Total Items: 343
Date published: July 18, 2018

Time-lapse view of California Highway 1 reconstruction after 2017 landslide

USGS scientists produced an animated GIF in coordination with the California Department of Transportation (Caltrans) re-opening of State Highway 1 through Big Sur on July 18, 2018.

Date published: July 9, 2018

Southern California coastal cliffs could retreat 135 feet in 80 years as erosion rates potentially double

USGS scientists combined a series of computer models to forecast cliff erosion along the Southern California coast.

Date published: July 9, 2018

Sea Level Rise Could Double Erosion Rates of Southern California Coastal Cliffs

Coastal cliffs from Santa Barbara to San Diego might crumble at more than twice the historical rate by the year 2100 as sea levels rise.

Date published: July 3, 2018

Rattlesnake Hills Landslide Information

What is known and what is being done, from the Washington Department of Natural Resources.

Date published: June 21, 2018

Kīlauea Volcano Erupts

Today's update for June 21st, 2018 will be the last of the daily updates on this USGS feature story.  We encourage you to keep checking the USGS Hawaiian Volcano Observatory (HVO) Kīlauea status website for daily activity updates. You can also visit the USGS Facebook page and the USGS Twitter feed as updates become available. For press inquiries, please email volcanomedia@usgs.gov.

Date published: June 14, 2018

John Warner selected as one of AGU's Outstanding Reviewers of 2017

John Warner, Woods Hole Coastal and Marine Science Center, was cited by Robert Hetland, editor of Journal of Geophysical Research: Oceans.

Date published: June 8, 2018

Amy East elected GSA Fellow for insights into landscape response to changes in sediment supply

The Geological Society of America (GSA) elected USGS research geologist Amy East to be a GSA Fellow, “an honor bestowed on the best of our profession,” at the spring GSA Council meeting.

Date published: June 5, 2018

Julie Bernier to serve as panelist at the 2018 State of the Coast Conference

Julie Bernier (SPCMSC geologist) was invited to serve as a panelist for the session "Extraction Related Subsidence and the Potential for Uplift" at the 2018 State of the Coast Conference.

Date published: June 1, 2018

Oklahoma Study Reveals Possible, Previously Unknown Sources of Earthquakes

Magnetic measurements made during low-altitude airplane flights conducted for the U.S. Geological Survey and the Oklahoma Geological Survey reveal possible deep faults that may contribute to increased seismic activity in response to wastewater injection in certain portions of Oklahoma.

Date published: May 31, 2018

Mensa tour of Pacific Coastal and Marine Science Center

On April 28, the San Francisco chapter of Mensa toured the Pacific Coastal and Marine Science Center with research geologist Curt Storlazzi (also a Mensa member) and acting deputy director Nadine Golden.

Date published: May 31, 2018

USGS Hurricane Response Met Challenges in 2017, Prepares for 2018

No one has a crystal ball to foresee what will happen during the 2018 hurricane season that begins June 1, but NOAA forecasters say there’s a 75 percent chance this hurricane season will be at least as busy as a normal year, or busier.